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42
G
ETTING
S
TARTED WITH THE
CBL 2™ S
YSTEM
© 2000, 2003 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Data Collection
1.
Connect the CBL 2 to your calculator using the unit-to-unit link cable. Connect
the light sensor to the CH1 port on the CBL 2.
2.
On the calculator, run the DataMate program or app.
DataMate identifies the light sensor and loads a default
experiment. The Main Screen is displayed.
3.
On the Main Screen, press
À
SETUP.
4.
Use
}
or
†
to scroll to MODE and press
Í
. The
Select Mode screen appears.
5.
Press
Â
to select EVENTS WITH ENTRY
. The Setup
screen is displayed again.
6.
Press
À
to select OK to return to the Main Screen.
7.
Press
Á
START. You should see a screen similar to the
one on the right. Notice that the reading changes as you
move the light probe.
You are now ready to make a series of light
measurements with the light probe at various distances
from the bulb and pointed toward the bulb. The
distances .5, 1, 1.5, 2, 2.5, and 3 meters usually work well.